Salary range not working based on compensation zones both for work locations and remote workers

Summary:

Salary range differential not working based on compensation zones both for work locations and remote workers after following the entire process to make it work.

Content (required):

1. Created Compensation zone type : US Zone Type with Boundary = US ; bounded by Postal code (checked)
2. Created zones : Zone 1, 3, 4, 5 which as several postal codes attached to it. these postal codes could match a work location address zip code or an employee's home address zip code.
3. Created a salary range differential with comp zone type = US Zone Type and associated differentials based on the Zones & have several differentials other than 1 for the zones. We also tagged remote worker flag and associated address type as HOME for priority 1 & MAILING as priority 2.